%0 Journal Article %A A. A. Pekarskii %T Classes of analytic functions determined by best rational approximations in~$H_p$ %J Sbornik. Mathematics %D 1986 %P 1-18 %V 55 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1986_55_1_a0/ %G en %F SM_1986_55_1_a0